Battery pack



FIG. 1 is a front, top and left side perspective view of a battery pack showing our new design;

FIG. 2 is a front, top and right side perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a right side elevational view thereof; and,

FIG. 7 is a top plan view thereof.

The broken lines present in the figures are included for purposes of illustrating portions of the article that form no part of the claimed design. 

CLAIM The ornamental design for a battery pack, as shown and described. 